1. 樹;樹木;喬木 A tree is a tall plant that has a hard trunk, branches, and leaves.
e.g. I planted those apple trees. 我栽了那些蘋果樹。 e.g. ...a variety of shrubs and trees. 各種灌木和喬木
2. 走錯路線；搞錯方向；想法不對路 If you say that someone is barking up the wrong tree, you mean that they are following the wrong course of action because their beliefs or ideas about something are incorrect.
e.g. Scientists in Switzerland realised that most other researchers had been barking up the wrong tree. 瑞士科學(xué)家意識到其他研究者大多研究方向不對頭。
3. 只見樹木，不見森林;只重細(xì)節(jié)，不顧整體 If someone can't see the wood for the trees in British English, or can't see the forest for the trees in American English, they are very involved in the details of something and so they do not notice what is important about the thing as a whole.
4. the top of the tree -> see top
tree英英釋義
noun
1. a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown includes both gymnosperms and angiosperms
2. a figure that branches from a single root
e.g. genealogical tree
Synonym: tree diagram
tree是什么意思
verb
1. stretch (a shoe) on a shoetree
Synonym: shoetree
2. chase an animal up a tree
e.g. the hunters treed the bear with dogs and killed it her dog likes to tree squirrels
3. plant with trees
e.g. this lot should be treed so that the house will be shaded in summer
4. force a person or an animal into a position from which he cannot escape