[zǐ xì]
（细心） careful; attentive
listen attentively [carefully]; lend an attentive ear to
仔细听
observe very closely
观察得很仔细
study carefully
仔细研究
be very careful in whatever one does
做事很仔细
When you look at the photographs, please be careful and don't smudge them.
看照片的时候仔细点儿， 别弄脏了。
She is frugal of her expenses.
她过日子很仔细。