ばさっとwith a flap, with a snap, with a thud, with a crash, with a swish, with a rustle

太(ふと)い木(き)をバサッと伐採(ばっさい)する。

Cut down the thick tree with a crash. {with a flap, with a snap, with a thud, with a crash, with a swish, with a rustle}

教科書(きょうかしょ)が机(つくえ)からバサッと落(お)ちました。

The textbook fell from the desk with a thud. {with a flap, with a snap, with a thud, with a crash, with a swish, with a rustle}

強風(きょうふう)のせいでテントがバサッと音(おと)を立(た)てています。

Due to the strong wind, the tent is making a noise with a flap. {with a flap, with a snap, with a thud, with a crash, with a swish, with a rustle}

本(ほん)が床(ゆか)にバサッと落(お)ちたその音(おと)で、目(め)を覚(さ)ましました。

I woke up to the sound of a book falling on the floor with a thud. {with a flap, with a snap, with a thud, with a crash, with a swish, with a rustle}

折(お)り畳(たた)み傘(かさ)をバサッと開(あ)けたら水(みず)が周囲(しゅうい)に勢(いきお)いよく飛(と)び散(ち)った。

When I opened the folding umbrella with a snap, water vigorously splashed around. {with a flap, with a snap, with a thud, with a crash, with a swish, with a rustle}