这个问题简直太简单了。
zhègè wèntí jiǎnzhí tài jiǎndān le 。
This question is simply too easy.
他简直不敢相信自己的眼睛。
tā jiǎnzhí bùgǎn xiāngxìn zìjǐ de yǎnjīng 。
He could simply not believe his eyes.
我简直每天都想你。
wǒ jiǎnzhí měitiān dūxiǎng nǐ 。
I think about you simply every day.