trouble可数么？还有be free doing对不对

trouble可数么？还有be free doing对不对

trouble
n.
烦恼;忧虑[C][U]
Her heart was full of trouble.
她忧心忡忡。
困难;困境;麻烦的事[U][C][(+with)][+v-ing]
Her son has got into trouble again.
她儿子又惹麻烦了。
麻烦,打扰,费事[S][U]

纷争,动乱,骚乱[P1]
There used to be a lot of troubles in that region.
那个地区过去动乱不断。
故障[U][(+with)]
My car has got engine trouble.
我的汽车引擎发生故障。
缺点,毛病[C][(+with)]

疾病,苦痛[U][C]
I often have trouble with my teeth.
我常常牙痛。
vt.
使烦恼;使忧虑
Losing a little money doesn't trouble 迹龚管夹攮蝗归伟害连me.
损失一点钱我并不在意。
(表示客气时用)麻烦[(+for)][O2]
Could I trouble you to open the window?
麻烦你把窗子打开好吗?
(疾病)折磨,使疼痛
Her wound has been troubling her a lot this week.
这星期她伤口一直很疼。
扰乱;使激动

vi.
(常用于否定句和疑问句)烦恼;费心[(+about)][+to-v]
Don't trouble about that.
别为那事费心了。



参考资料：trouble

trouble不可数 be free to do something.. 或者是do something for free~ got it?

可数，对

不可数 应该是be free to do