/ə'streɪ; ə`stre/
adv
1 away from the right path or direction 歧途; 迷路
*The misleading sign led me astray. 那个标志误人使我迷了路.
* (fig 比喻) He had been led astray by undesirable friends. 他被损友引入歧途.
2 (idm 习语) go a`stray become mislaid 误置; 被放错地方
*Have you seen my book? It seems to have gone astray. 你看见我的书了吗? 不知道搁哪儿了.

adv
[Date: 1200-1300; Language: Old French;Origin: estraié 'wandering', from estraier; STRAY¹]
go astray
a) to be lost or stolen
　The letter had gone astray in the post.
b) if a plan or action goes astray, it goes wrong
　The best-laid plans can go astray.
lead sb astray
a) to encourage someone to do bad or illegal things that they would not normally do
　The older boys led him astray.
b) to make someone believe something that is not true
　It's easy to be led astray by the reports in the papers.