查询词典 limber up

turn up trumps：令人满意

turn up the thumbs 赞扬 | turn up trumps 令人满意 | turn up 找到

up against：面临

up against the wall 碰壁 | up against 面临 | up and about 起床走动

up against：面临(问题、困难等)

turn up 开大,调大;出现,来到 | up against 面临(问题、困难等) | up to 胜任的,适于...的;密谋...的;是...的职责

up and about：起床走动

up against 面临 | up and about 起床走动 | up and doing 活泼

up and doing：活泼

up and about 起床走动 | up and doing 活泼 | up and down 到处

up and doing：活泼,灵敏;忙碌

be up against / / 面临(困难等) | up and doing / / 活泼,灵敏;忙碌 | up to / / 直到;从事于;轮到

up and down：上上下下;前前后后

up and doing 活泼,敏捷;忙碌 | up and down 上上下下;前前后后 | up in arms 起来进行武装斗争

up and down fall：舱口吊货索

up and down 立锚 | up and down fall 舱口吊货索 | up and down screw 升降螺丝

up arrow：上行箭头

up 上,上行 | up arrow 上行箭头 | up call 上行呼梯

be up for grabs：公开投标

be up before | 被送交 | be up for grabs | 公开投标 | be up on | 精通, 熟悉

dioptric：折射光学的

dioptre 屈光度 | dioptric 折射光学的 | dioptrics 折射光学

Saturdays are fun：星期六很有趣

6. Saturdays are fun.星期六很有趣. | fun 为不可数名词,"快乐,有趣",在此做表语. | That must be fun. 那一定很有趣.