wood

cannot see the wood(或北美the forest)for the trees

fail to grasp the main issue because of over-attention to details

见树不见林；见小不见大；重细节不抓重点

out of the wood (或 woods)

out of danger or difficulty

脱离险境（或困境）

touch (或主北美knock on wood)

said in order to prevent a confident statement from bringing bad luck

用手碰碰木头，但愿老走这种好运

I haven't been banned yet, touch wood.

我尚未遭禁，但愿老走这种好运。

out of the woods【非正式用语】

Free of a difficult or hazardous situation; in a position of safety or security.

脱离险境：脱离困难或危险的情况；处于安全或保险的位置