She spent too much time making herself up.
她在化妝上花去了太多時間。
I can't be bothered to make up my face.
我懶得化妝。
《柯林斯高階英漢雙解學習詞典》
make up是化妝的意思! Let's make up為啥就不是化妝?
Let's make up=讓我們和好吧!
朋友間，同事間，戀人間都可以用make up 來表示和好； make up 還能表示、充當 、湊足、彌補、瞎編亂造:
I'll make it up with him again.
我會與他重歸於好。《柯林斯高階英漢雙解學習詞典》
I am not good at singing. I'm here just to make up the number.
我不會唱歌，我在這兒只是濫竽充數。
《漢英大詞典》
Her beauty can't make up for her stupidity.
她的美麗不能彌補她的愚蠢。
《漢英大詞典》
made sb up=把某人化妝成別的樣子;
made sth up=把某個事情編造成別的樣子
They made him up as an old man，for the last act of the play.
在這部戲的最後一幕,他們把他化妝了一個老人
I'm not making it up
我沒有瞎編
make the sentence up
造句
I'm not making it up. The character exists in real life.
我沒有憑空捏造，這種人現實生活中確實存在。
《柯林斯高階英漢雙解學習詞典》
我正在化妝≠I'm making up now
我每天都化妝≠I make up everyday
這2個表達都是錯的!
一般可以說：
I'm doing my make-up now
I』m wearing make-up everyday .
再看：
1、I'm making up ≠ 我正在化妝
在日常生活中說的化妝，不是make up而是make-up(也可以寫成makeup)
I am gonna try the makeup you got me.
我要試試你給我買的化妝品。
make-up是個名詞，化妝(品), 複數：make-ups
She put in some clothes, odds and ends, and make-up
她將一些衣服、化妝品和零碎物品放了進去。
《柯林斯高階英漢雙解學習詞典》
She made liberal use of her elder sister's make-up and clothes.
她隨便把姐姐的化妝品和衣服拿來用。
《柯林斯高階英漢雙解學習詞典》
表示化妝的動詞是put on或者wear，do\\have
put on your make-up
上妝
She never wears make-up .
她從來不化妝。
Normally she wore little make-up.
她一般不怎麼化妝。
She retouched her make-up.
她修飾了一下自己的妝容。
She wore no make-up, not even a dab of lipstick.
她沒有化妝，甚至連一點兒口紅都沒塗。
They minced in, in beach costumes and make-up.
他們穿著沙灘服，化了妝，一扭一擺地進來了。
She had a lot of make-up on and not a hair out of place.
她化了濃妝，精緻得讓人挑不出一絲瑕疵。
《柯林斯高階英漢雙解學習詞典》
Her sparing use of make-up only seemed to enhance her classically beautiful features
一點淡妝反而增添了她五官的古典韻味。
《柯林斯高階英漢雙解學習詞典》
In fact she tends to be a little heavy-handed when she wears make-up.
實際上她的妝往往化得有點過濃。
If you decide to do you own make-up, here are a few valuable tips that will helpyou look your best
如果你決定自己化妝，這裡有一些有用的小竅門，可以幫助你呈現最美的一面。
I rarely use make-up.
我很少化妝.(我很少用化妝品)
How come!You're wearing make-up!
天!怎麼回事？你居然化妝了。
You have no make-up on, I'll do your make-up for you
你沒化妝，我得給你化點妝!
Glamorous make-up is best reserved for days when you want to go all out toknock 'em dead.
魅惑彩妝最好留到你竭力想把所有人都迷倒的時候。
Too much make-up looks unnatural.
上裝過於濃艷看上去不自然。
《漢英大詞典》
It's safer to fake a tan with make-up rather than subject your complexion to the harsh rays of the sun
用化妝品打造出古銅色的皮膚比讓皮膚受太陽的暴曬更為安全。
《柯林斯高階英漢雙解學習詞典》
make-up是名詞,表示妝容，put on,wear,do才是化妝的動詞，make up做動詞,指舞台上的化妝
用法是:make sb up把某人化妝成別的樣子
They made him up as an old man
for the last act of the play.
在這部戲的最後一幕,他們把他化妝了一個老人!