be shy

基本解释

She's strong when women were supposed to be shy and retiring.
女人曏來被認爲是羞怯靦腆的，但她卻相儅堅強勇敢。
If anyone watching feels the same way, don’t be shy about letting your Congressman know.
如果任何人有同樣的感受，不要害羞，一定要讓你們的國會議員們知道。
If you've done something great, don't be shy!
如果你做了一些偉大的事情，不要害羞！

Roger Smith,a co-founder of the International Association of Genocide Scholars, says many Turks refuse to use the word 'genocide.' "I worked with some Turkish scholars and these are people who would be considered liberals and so on - but even they really kind of shy away from using the word 'genocide.' They will talk about massacres - you lay all of these things out and they say yeah,yeah,yeah, this happened,okay - well no,I don't want to use that word.
One, two, don't be shy, three four, anybody else, five.
一，二，別害羞，三，四，還有嗎？五。
麻省理工公開課 - 熱力學與動力學課程節選
If you are going to be shy in another country, you're not going to learn another language.
如果你在另一個國家會感到害羞，那你就別學另一種語言了。
在英語系國家 - SpeakingMax英語口語達人

My advice is to not be shy about promoting your own talents and contributions.
FORBES: Self-Promotion + Sponsorship = Career Success