フッ fuu (en) - matsumurae/onomatodict-jp GitHub Wiki

1. Sigh.
2. Exhale sound (smoking).

• Type: Giongo (擬音語)
• Category: Sigh.
• Onomatopoeia: pant; haa; ha; sigh; blow; breath.
• Equivalent: Sigh.
• Source: https://www.nihongomaster.com/japanese/dictionary/word/148463/futsu-%E3%83%95%E3%83%83

Usage

〜と匙の中の物を吹く
~ blow one's spoon.

〜と息をつく
~ breathe a sigh (of relief).

〜と煙を吹く
~ blow a puff of smoke.

〜と気が遠くなった
~ feel faint/woozy.

猫が〜と毛を逆立った
the cat ~ hissed as its hairs stood on end.

彼の影が〜と幻のように現れた
his shape appeared ~ out of nowhere like an apparition.

Examples

ふっ、禁断の魔術とやらは、俺には通用しないぜ！
Hah, your 'forbidden magics' aren't going to work with me!

ふぅ、と大きく息を吐き出した
Phew, he exhaled loudly.

Related

• Suu / すぅー