Dry run

dry run

noun

informal

1. a rehearsal of a performance or procedure before the real one. 

   "The president went through a dry run of his speech."

throw sb's hat in the ring

to announce that somebody intend to compete for something, esp. a political position

e.g. Research shows that women are typically less keen to compete than men. To throw their hat into the ring, women need to know that the selection process is trustworthy and not open to bias or homophily.

Husk

Husk 外壳、皮。如椰子壳、瓜子皮、糠、麸。

Fine art

Fine art 翻译成美术、造型艺术

high-flier

high-flier: a person who is or has the potential to be very successful, especially academically or in business.