突然大笑，放声大笑...

burst in on的音标：burst in on的英式发音音标为：[bə:st in ɔn]burst in on的美式发音音标为：[bɚst ɪn ɑn]...

They burst in on me while I was working.我在工作时他们突然打断了我.He was just about to leave when someone burst in on his room.他正打算离开时,突然有人闯入他的房间.How dare you burst in on us without knocking!你怎麽胆敢不敲门就闯进来!...

匆匆进入（某处），突然开始（某事），突然进入（某种状态），撞人...

They burst in on me while I was working.我在工作时他们突然打断了我.He was just about to leave when someone burst in on his room.他正打算离开时,突然有人闯入他的房间.He had just poked up the fire and was staring blankly at the flames when someone burst...

burst into的音标：burst into的英式发音音标为：[bə:st 'ɪntuː]burst into的美式发音音标为：[bɚst 'ɪntu]...

They burst into laughter.他们突然大笑起来.Willie glared at her for a moment, then he burst into laughter.威利先是对她怒目而视, 随着也哈哈笑起来.He suddenly burst into laughter and dropped her arm.他当即哈哈大笑起来,并放开了她的臂膀....

（因突然到来）阻碍某人[某事物]...

burst into laughter的音标：burst into laughter的英式发音音标为：[bə:st 'ɪntuː 'lɑ:ftə]burst into laughter的美式发音音标为：[bɚst 'ɪntu 'læftɚ]...

The avenues lined with jacaranda trees burst into a carnival of purple.大街的两旁种着蓝花楹，绽放的花朵汇成一片紫色的海洋。He burst into uncontrollable laughter at something I'd said.听了我的话，他禁不住大笑起来。The jet burst into flames and plummeted to ...

burst in的音标：burst in的英式发音音标为：[bə:st in]burst in的美式发音音标为：[bɚst ɪn]...

v.闯入，打断，突然出现，闯进...