Usages of diam-diam
Saya heran kenapa dia diam-diam membawa novel itu ke kelas tanpa memberi tahu siapa pun.
I wonder why he/she secretly brought that novel to class without telling anyone.
Ternyata dia diam-diam sudah membaca aturan perpustakaan dari awal, jadi dia tidak bingung sama sekali.
It turned out that he/she had secretly already read the library rules from the start, so he/she was not confused at all.
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