level at

1. 瞄准

He leveled his gun at the prey.

他举枪瞄准猎物。

level off

1. 把……弄平

They quickly leveled off the site.

他们迅速地把工地整平了。

on the level

1. 诚实的; 可靠的

Is that guy on the level? I find it hard to believe him.

那家伙诚实吗? 我发现要相信他很困难。

Is this information on the level?

这消息可靠吗?

Is she on the level?

她为人诚实吗?