A + 类似 + 于 + B
The word 似 (sì) means "to resemble" or "similar to." It often appears in the compound 类似 (lèisì), meaning "similar to" or "analogous to," and is used to draw comparisons between things. For example, 类似于 means "similar to" and is followed by the thing being compared.
他们两个人的性格非常类似。
Tāmen liǎng gè rén de xìnggé fēicháng lèisì.
The two of them have very similar personalities.
这个问题类似于我们上次讨论的。
Zhège wèntí lèisì yú wǒmen shàng cì tǎolùn de.
This question is similar to the one we discussed last time.
我遇到过类似的情况。
Wǒ yùdào guò lèisì de qíngkuàng.
I have encountered a similar situation before.