らしい

らしい is an i-adjective that can be added to words to express conjecture, based on what you've learned through another source or through observation. It can be translated as "I heard that", "apparently", or "it seems like."

昨日、日本で大きい地震があったらしいですね。田中さんのご家族は大丈夫でしょか。
I heard that there was a big earthquake in Japan yesterday. I wonder if Tanaka-san's family is okay?

来年はリーさんとアリスが結婚するつもりらしいんだよ。
Apparently Lee-san and Alice are going to get married next year.

先輩によると、あの先生の授業は大変らしい。
According to senpai, that teacher's class is tough.

アヤトによると、あの新入生は優しくなくてかわいくないらしいんだよね。
According to Ayato, the new student doesn't seem nice or cute.