bring sth to bear (on sb/sth) 把精力用于....，对.....施加压力
We must bring all our energies to bear on academic tasks.
我们必须把全部精力投入在学习任务上。
Pressure was brought to bear on us to finish the work on time.
我们得按时完成工作，没有回旋的余地。

under the gun 承受很大压力 (experiencing a lot of pressure)
I'm really under the gun today.
我今天真的压力很大。

stressful 压力重的，紧张的（causing a lot of anxiety and worry)
It was a stressful time for all of us.
这对我们来说都是一段压力很大的时候。

stress 精神压力，心理负担（pressure or worry caused by the problems in sb's life)
My headaches are due to stress.
我的头痛是因为压力产生的。
My insomnia is due to stress.
我的失眠是因为压力产生的。

be under stress 处于压力之下
Things can easily go wrong when people are under stress.
人在压力之下，办事情就容易出差错。
She's been under a lot of stress lately.
她最近压力很大。

to suffer from stress 承受压力
Many students are suffering from mental stress.
很多学生都有很大的精神压力。

cope with/deal with stress 应对压力
We need to find ways of dealing with stress.
我们必须找到应对压力的方式。

relieve stress 缓解压力
Don't rely on alcohol to relieve your stress.
别依靠酒精去缓解压力。

de-stress 舒缓压力，减少压力
De-stress yourself with a relaxing bath.
舒舒服服洗个澡放松一下。

great stress 很大的压力
considerable stress 相当大的压力 （great， formal）
enormous stress （= extremely large） 巨大的，极大的压力