Wǒ zuìjìn yālì hěndà.

我最近压力很大。

I'm under great strain recently.


Notes:

我(wǒ): I

最近(zuìjìn): recently

压力(yālì): stress, pressure

很(hěn): very

大(dà): big

Example:

A：你怎么了？

     Nǐ zěnmele？

     What's wrong with you?

B：我最近压力很大。

     Wǒ zuìjìn yālì hěndà.

     I'm under great strain recently.