N4
みたい
Seems; looks like; like (such as)
明日は雪が降るみたいだ。
It seems like it will snow tomorrow.
Explanation
「みたい」 has 3 uses
1It seems
A guess based on what you see or hear: 「雨が降るみたいだ」 it looks like it's going to rain.
明日は雪が降るみたいだ。
It seems like it will snow tomorrow.
そこのプールは浅いみたいだ。
That pool over there seems shallow.
2Just like
A comparison: one thing is like another: 「人形みたいに可愛い」 as cute as a doll.
この犬は熊みたいです。
This dog looks like a bear.
その携帯はパソコンみたいだ。
That cellphone looks like a computer.
3Such as
「AみたいなB」 gives A as an example of B: 「田中さんみたいな優しい人」 a kind person like Tanaka.
田中さんみたいな優しい人と結婚したい。
I want to marry someone kind, like Tanaka.
ラーメンみたいな温かいものが食べたい。
I feel like eating something warm, like ramen.
Mixed up with
The connection differs from 「ようだ」: nouns and na-adjectives join 「みたい」 directly, with no 「の」 or 「な」. Say 「子供みたい」, 「静かみたい」, not 「×子供のみたい」, 「×静かなみたい」.
「みたい」 is for everyday talk; 「ようだ」 is more formal and written.