HSK 7-9
钉
dìng动
to join things together by fixing them in place at one or more points; to nail; to pin; to staple; to sew on
师傅把木板牢牢钉在墙上。
Shī fù bǎ mù bǎn láo láo dìng zài qiáng shàng.
The technician nailed the board firmly to the wall.
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Appears across levels (7-9) in the HSK 3.0 word list.