Usages of kǔ
咖啡 虽然 有点儿 苦， 但是 他 习惯 不 加 糖 喝。kāfēi suīrán yǒudiǎnr kǔ, dànshì tā xíguàn bù jiā táng hē.
Although coffee is a bit bitter, he is used to drinking it without sugar.
他 从来 不 在 晚上 喝 咖啡， 觉得 咖啡 太 苦， 喝 完 以后 也 睡不着。tā cónglái bù zài wǎnshang hē kāfēi, juéde kāfēi tài kǔ, hē wán yǐhòu yě shuìbuzháo.
He never drinks coffee at night; he feels coffee is too bitter, and after drinking it he can’t fall asleep.
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