nail

He used a hammer and a few steel nails to secure the loose board on the fence.

(Chinese) 他用锤子和几颗钢钉固定了栅栏上松动的木板。

Be careful not to step on any rusty nails while walking through the construction site.

(Chinese) 穿过建筑工地时，小心不要踩到任何生锈的钉子。

She used a pair of clippers to trim her fingernails before the piano recital.

(Chinese) 她在钢琴演奏会前用指甲剪修剪了手指甲。

If you don't wear gloves while gardening, you will get dirt under your nails.

(Chinese) 如果你在做园艺时不戴手套，指甲缝里就会弄进泥土。