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.