in the circumstances adv.既然如此,在这种情况下
under the circumstances adj.既然如此(在这种情况下,情况既然如此)
副词 under the circumstances:
because of prevailing conditions
例句与用法：
1.I planned to leave the next day but under the circumstances I decided to stay another night.
我原计划第二天离开的,但在这样的情况下,我决定又住了一夜.
2.I wanted to leave quickly but under the circumstances I decided to stay another night.
我想很快就走,但在这种情况下,我决定再呆一个晚上.
3.Under the circumstances (eg because the salary offered was too low) he felt unable to accept the job.
在这种情况下(如所提的薪金太低),他觉得无法接受这项工作.