(1) Rumble, cackle, the sound or appearance of an object collapsing. (物が崩れ落ちるさまを表す语.)

The car ががらがらと通る. / The car rumbled through.

The car をがらがらと引いて通る。 /Pull the car through with a thump.

がらがらといかりをおろす。 /Garra garra to drop the anchor.

屋根がわらがらがらがらとくずれ落ちる。 / The roof tiles fall down with a clatter.

(2) A rude appearance in speech or action. (Character? Words and actions などが, あけっぴろげでがさつなさま。)

がらがらした person. /A person who is straight-talking.

がらがらものを言う。 / to speak frankly; to be frank and fast-talking.

(3) There are very few people, very empty, empty. (非常に空いているさま。)

朝早いので电車はがらがらだ。 /Because it was very early, the tram was empty.

(4) Rattle. (振るとがらがらと音のする、幼児のおもちゃ。)

My sister is very fond of the rattle. /My sister likes rattles very much.