choose, select, pick, decide, opt辨析

choose, select, pick, decide, opt辨析
①choose ：to decide which thing or person you want out of the ones that are available指选择,选取人或物
e.g., You choose—I can't decide.
你来选吧,我拿不定主意。
②select：to choose sb/sth, usually carefully, from a group of people or things指仔细选择、挑选
e.g., He was selected for the team.
他已入选进队了. 
e.g., a randomly selected sample of 23 schools.
随机抽选的23所学校
③pick ：(rather informal) to choose sb/sth from a group of people or things选择,较正式
e.g., She picked the best cake for herself.
她为自己挑了一块最好的蛋糕。
④decide ：to choose between two or more possibilities在两个或更多可能的情况中做出抉择、决定、选择
e.g., We're still trying to decide on a venue.
我们仍在设法选定 一个活动地点。
⑤opt ：to choose to take or not to take a particular course of action指选择是否采取某种行动
e.g., After graduating she opted for a career in music. 
毕业后她选择了从事音乐工作。
e.g., After a lot of thought, I opted against buying a motorbike.
经过反复考虑,我决定不买摩托车。