[scode type="blue"]pang
n.一阵剧痛；突然而强烈的情感[/scode]
音标：/pæŋ/
英英释义：
A pang is a sudden strong feeling or emotion, for example of sadness or pain.
例句：
①For a moment she felt a pang of guilt about the way she was treating him.
有一阵子，她为自己那样对他感到内疚。
②She experienced a sharp pang of disappointment.
她经历了失望的巨大痛苦。
Romain Gary的小说 Promise at dawn 也出现了这个表达：
看到这个词，我联想到一个近义词汇：shaft 一阵(疼痛、害怕等)
~ of pain, fear, etc. (literary) a sudden strong feeling of pain, etc. that travels through your body.
举个栗子：
Shafts of fear ran through her as she heard footsteps behind her.
她听见身后有脚步声,感到一阵毛骨悚然。
[scode type="blue"]beef up
改善；加强；改进；提高[/scode]
英英释义：
If you beef up something, you increase, strengthen, or improve it.
例句：
①Both sides are still beefing up their military strength.
双方仍在增强各自的军事力量。
②Earlier Kerry addressed state department trainees about beefing up security for diplomats.
早前克里对国务院实习生表示，要加强外交安全。
《经济学人》一篇关于地缘政治与芯片之争的文章 Betting all the chips 也出现了这个表达：
beef作为动词还可以表示“不断抱怨；大发牢骚”【If someone beefs about something, they keep complaining about it.】
