1. 木材;木料；木头
    Wood is the material which forms the trunks and branches of trees.

    e.g. Their dishes were made of wood...
           他们的盘子是木制的。
    e.g. There was a smell of damp wood and machine oil.
           有潮湿的木料和机油的气味。

2. 树林，林子（美国英语通常用woods）
    A wood is a fairly large area of trees growing near each other. You can refer to one or several of these areas as woods, and this is the usual form in American English.

    e.g. After dinner Alice slipped away for a walk in the woods with Artie...
           晚餐后艾利斯溜出去跟阿蒂到林子里散步。
    e.g. About a mile to the west of town he came upon a large wood.
           他在镇子以西约一英里处偶遇一大片林地。

3. see also: dead wood

4. 仍未摆脱困境(或问题)
    If something or someone is not out of the woods yet, they are still having difficulties or problems.

    e.g. The nation's economy is not out of the woods yet.
           该国经济尚未摆脱困境。

5. 上天保佑(表示希望继续走好运)
    You can say 'touch wood' in British English, or 'knock on wood' in American English, to indicate that you hope to have good luck in something you are doing, usually after saying that you have been lucky with it so far.

    e.g. She's never even been to the doctor's, touch wood...
           她从未看过病，希望她一直好运。
    e.g. Touch wood, I've been lucky enough to avoid any other serious injuries.
           老天保佑，我一直很幸运，别的重伤都躲过了。

6. your neck of the woods -> see neck
    can't the wood for the trees -> see tree