HSK 7-9
怪不得
guàibude动副
no wonder!; so that's why!
怪不得花园这么香原来桂花开了。
Guài bu de huā yuán zhè me xiāng yuán lái guì huā kāi le.
No wonder the garden smells so fragrant; the osmanthus has bloomed.
Say it
Hold the button, say it, then let go.
Other HSK words sharing a character
Also free:
Appears across levels (7-9) in the HSK 3.0 word list.