I don't feel easy about letting the kids go out alone.

让这些孩子单独出去我不放心。

《牛津词典》

You can avoid all kinds of trouble by letting well alone.

随遇而安就能避免种种麻烦。

youdao

Home visits give strength to the care recipients, letting them know, they are not alone.

访视为照顾户带来向前的力量，让他们知道这条路上并不孤单。

youdao

But as is often the case, letting fear alone of the worst without balancing the benefits is not best way of making a qualitative long term decision.

FORBES: NFL Should Accept Injunction, Hold Draft And Let The Market Run Its Route

And more time is now spent on lessons that engage the whole class (as opposed to letting pupils work alone).

ECONOMIST: School curriculum

Rightly or wrongly, they are united in the belief that letting Greece go it alone would be a catastrophe - for Greece and for the eurozone.

BBC: More time to argue about Greece