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1·But some undesirable accidents have happened between whiles.

但是其安全运行的问题日益突出，事故时有发生。

2·Between whiles, I unconsciously noticed her walk in front of me for several meters.

时常，也会在路上不经意间看见她就走在前面距我几米远处。

3·Yes, that's it, 'said the Hatter with a sigh:' it's always tea-time, and we've no time to wash the things between whiles. '.

“是的，就是这个缘故，”帽匠叹息着说，“只有喝茶的时间，连洗茶具的时间也没有了。”

4·He curled them between his palms at whiles and swallowed them softly.

他不时她用双掌把它搓成小卷儿，轻轻地咽下去。