Si tu tires trop vite sur la racine, tu risques d’abîmer le rosier.

Si means if and introduces a condition.

In this sentence, Si tu tires trop vite sur la racine... means If you pull too quickly on the root...

A very common French pattern is:

• si + present tense for the condition
• then a result clause in the present, future, or another suitable tense

Here, both parts are in the present because the sentence expresses a general possibility:

• Si tu tires...
• tu risques...

After si meaning if, French normally does not use the future or conditional in this kind of sentence.

So French says:

• Si tu tires... = If you pull...

not:

• Si tu tireras...
• Si tu tirerais...

This is one of the most important si rules in French.

A helpful shortcut:

• si + present
• not si + future
• not si + conditional

Tirer sur often means to pull on something.

So:

• tirer sur la racine = to pull on the root

Using sur helps show that force is being applied to that object.

Compare:

• tirer quelque chose = to pull something
• tirer sur quelque chose = to tug/pull on something

In many cases, both can be understandable, but tirer sur is very natural when talking about pulling on a specific part or putting strain on it.

In French, adverbs usually follow the word they modify. Here vite modifies tires, and trop modifies vite.

So:

• trop vite = too quickly / too fast

This word order is standard:

• parler trop vite = to speak too quickly
• rouler trop vite = to drive too fast

Risquer de + infinitive means to risk doing something or to be likely to cause something bad.

So:

• tu risques d’abîmer le rosier = you risk damaging the rosebush

It implies a possible negative consequence if the action happens.

Other examples:

• Tu risques de tomber. = You might fall. / You risk falling.
• Il risque de pleuvoir. = It might rain.

This is because of elision.

When de comes before a word beginning with a vowel sound, it usually becomes d’.

So:

• de + abîmer → d’abîmer

This happens very often in French:

• d’aller
• d’être
• davoir would not happen because the correct infinitive is avoir, so it becomes d’avoir

Here:

• risquer de + abîmer → risquer d’abîmer

Abîmer means to damage, to spoil, or to harm.

In this sentence, it means to damage the rosebush.

Examples:

• abîmer un vêtement = to damage a piece of clothing
• abîmer une plante = to damage a plant

The î has a circumflex accent. You should write it in careful French as abîmer, though in informal typing learners may sometimes forget the accent. The accent is part of the standard spelling.

Because un rosier is a rosebush or rose plant, not the flower itself.

Compare:

• une rose = a rose (the flower)
• un rosier = a rosebush / rose plant

So if you damage the whole plant, French uses le rosier, not la rose.

Le means the, so it refers to a specific rosebush already known in the situation.

• le rosier = the rosebush
• un rosier = a rosebush

If the speaker is talking about a particular plant right there in front of you, le rosier is the natural choice.

Tu is the singular informal word for you.

French has two main ways to say you:

• tu = informal singular
• vous = formal singular or plural

So this sentence is addressed to:

• one person
• in an informal context

If you wanted a formal or plural version, you would say:

• Si vous tirez trop vite sur la racine, vous risquez d’abîmer le rosier.

Because tirer is a regular -er verb, and with tu in the present tense, the ending is -es.

Conjugation of tirer in the present:

• je tire
• tu tires
• il/elle/on tire
• nous tirons
• vous tirez
• ils/elles tirent

So tu tires simply means you pull.

Yes. That is a very close literal translation.

Word-for-word, it is roughly:

• Si = if
• tu = you
• tires = pull
• trop vite = too quickly
• sur la racine = on the root
• tu risques = you risk / you might
• d’abîmer = damaging / to damage
• le rosier = the rosebush

In natural English, you might also say:

• If you pull on the root too quickly, you might damage the rosebush.
• If you pull the root too fast, you could damage the rosebush.

A simple pronunciation guide is:

Si tu tires trop vite sur la racine, tu risques d’abîmer le rosier.

Approximate English-friendly pronunciation:

see tyu teer tro veet syur la ra-seen, tyu reesk da-bee-may luh ro-zee-ay

A few useful points:

• si sounds like see
• tu has a French u sound, which is not exactly the English oo
• tires sounds like teer
• sur has a French u sound again
• racine sounds like ra-seen
• risques sounds like reesk
• abîmer sounds like a-bee-may
• rosier sounds like ro-zee-ay

In connected speech, d’abîmer flows together smoothly.