似的 (shì de): like, as if

He speaks slowly, as if he were an old professor.

She laughed so happily, as if she had won the lottery.

Don't be afraid; he looks fierce, but actually he's gentle like a cat.

It rained heavily, and he was soaked through, like a drowned rat.

Hearing the news, she jumped up excitedly, as if she had gone crazy.

He is extremely serious about work, like a machine that never rests.