•Call for sth (phrasal verb) –

To require; to demand.（需要，要求）

Examples:

1.This calls for a celebration!

2.Skill and initiative are called for in this job.

•For the time being (idiom) -

For a short period of time from now, but not permanently.（暂时，目前）

Examples:

1.For the time being, our plans remain unchanged until something convinces us otherwise.

2.Now, for the time being, she is living with her father in Hong Kong.

•Bent on sth (idiom) -

Completely determined to do something, especially something bad.（决意要…，专想…）

Examples:

1.He is bent on winning at all costs.　　

2.They seemed bent on destroying his career.

•Taikonaut (noun) –

中国的太空人／宇航员。该词由汉语拼音taikong（太空）及英语astronaut（太空人）组合而成，最初由马来西亚华人科学家赵里昱于1998年在网上科技论坛使用，后来为世界各大媒体所采用，并被收入《牛津英语词典》。实际上，现今仅有的三个独立载人航天国家──美国、俄罗斯和中国对航天员的称呼各不相同，美国称为astronaut，俄罗斯则叫作cosmonaut（cosmo在俄语意为“宇宙”）。

•By/in leaps and bounds (idiom) -

If something increases, develops, grows etc by leaps and bounds, it does it very quickly.（突飞猛进，飞速地）

Examples:

1.Information technology has advanced by leaps and bounds.

2.School enrollment is increasing by leaps and bounds