a broad smile 满面笑容
a broad/wide range of 范围很广的
It's as broad as it's long
broaden v. 使变宽；扩大
broaden one’s horizon 开阔某人的眼界
broadly ad. 明显地；宽广地；概括地
broadcast a.& v. 广播；广播节目
Jack was a young giant, broad of back, full of vigour.
According to the announcement of the broadcast, the old street is not broadenough. It will be broadened soon.
build /bɪld/ (built, built)
v. 建筑；造；n. 体格
build on 依赖，指望，把……建于……上
build up 增进，加强，树立
build one’s body 健身
body building 健身
building n. 修建；建筑物
I should be confident and build up my capacity to achieve my goal.
The builders can build their bodies and build up their confidence by building grand buildings.
burn /bɜːn/ (-ed，-ed 或 burnt，burnt)
v. 燃，烧，着火；使烧焦；使晒黑；n. 烧伤；晒伤
burn down 烧掉，焚毁
burn out (把…)烧坏，烧光；使筋疲力尽
burn to the ground 烧毁，夷为平地
burn up 烧掉，烧尽
I watched two buildings on my block burn down.
After work, my aunt goes to the broad gym to build her body, she wants to burn up more calories!
One day, the gym caught fire and was burned down. All the instruments wereburnt out. But luckily, nobody was burned.
burst /bɜːst/ v. (burst, burst)
burst out doing ＝ burst into＋n. 突然……起来
burst in 闯进来；突然插嘴
burst into 突然闯入
burst with anger/joy 勃然大怒/乐不可支
burst in on/upon 突然出现/到来
①Upon/On hearing the bad news, his mother burst into tears/burst out crying.
②He felt he would burst with anger and shame.
The son burst into the house to tell his parents some news. On hearing the news the husband burst out laughing while the wife burst into tears.
go into business 从事商业
go out of business 停业
on business 因公出差
have no business to do(或doing) 无权做……
no business of yours 与你无关
do business with 和…做生意
mind your own business 别多管闲事
none of your business 不关你的事；别管闲事
out of business 破产; 歇/失业; 损坏; 受伤
I wonder if you have any business connections abroad.
The businesswoman has business relations with some businesses abroad. She travels a lot on business. She is always busy and gets down to business on arrival. Her husband wants to help her but she tells him to mind his own business. She carries her business cards everywhere. She hopes her business will never be out of business.