stand by
phrasal verbstand by
to be present while something bad is happening but not do anything to stop it 袖手旁觀；無動於衷 How can you stand by and see him accused of something he didn't do? 你怎麽能眼睜睜看着他遭人誣陷呢？ Surely the world cannot stand idly by and let this country go through the agony of war yet again? 國際社會當然不能袖手旁觀，讓這個國家再度經歷戰爭的傷痛吧？
to be ready for action 做好随時行動的準備；做好準備
stand by somebody
to help somebody or be friends with them, even in difficult situations 支持；幫助；忠於 her famous song, ‘Stand by your man’ 她的著名歌曲《忠於你的男人》
stand by something
to still believe or agree with something you said, decided or agreed earlier 仍然遵守諾言（或協議等）