feeling sad or bored for a long time
长时间感到悲伤或无聊 (cháng shíjiān gǎndào bēishāng huò wúliáo)
"He’s been in the doldrums since his team lost."
"自从他的队伍输掉后，他一直在低谷中。" (Zìcóng tā de duìwǔ shūdiào hòu, tā yīzhí **zài dīgǔ zhōng**.)
to watch for something or someone carefully
a person who only works becomes dull and boring
to be very worried and not know what to do next
to advance to a higher level or position
to support your words with actions or financial commitment
a funny moment in a serious situation
