Bolt upright
笔笔直直
🧩 词语组成解析
bolt
[bolt]
n. 螺栓，螺钉;闪电，雷电;门闩;弩箭;
vt. 筛选;囫囵吞下;（把门、窗等）闩上;突然说出，脱口说出;
vi. （门窗等）闩上，拴住;冲出，跳出;（马等的）脱缰;囫囵吞下;
adv. 突然地;像箭似地;直立地;
🗣️ 情景例句
I was faced with a new problem.
我面临了新的问题。
All work and no play make Jack a dull boy.
尽量学，尽情玩。
A bad workman quarrels with his tools.
手艺差的工人总是抱怨工具不好使。