“电灯泡”用英语怎么说？

THIRD WHEEL (FIFTH WHEEL) As the third person along on their date, I felt like a third wheel. Sally and Samantha were best friends, so when I accompanied them on their weekend excursion, I felt like a third wheel. I felt like a third wheel when they started giggling and making out during dinner. MEANING: (idiomatic) A person or thing that serves no useful purpose. (idiomatic) An unwanted third party accompanying two people on a date. [FIFTH WHEEL] (idiomatic) Anything superfluous or unnecessary. ETYMOLOGY: Most vehicles use either 2 wheels (like bicycles or motorbikes) or 4 wheels (like cars and trucks). A third wheel is thus something that serves no useful purpose, or is someone that is unwanted in a situation such a date with two people. Romantic relationships usually involve only 2 people. CLIFFHANGER The ending of the first book in the series is a cliffhanger. The election was so close that it was a real cliffhanger. I like a good cliffhanger in the novels I read. MEANING: ? (IN STORIES) An ending or stopping point that is there to leave a story unresolved, in order to create suspense. ? (by extension) An outcome which is awaited with keen anticipation, especially one which is delayed for a period of time or which is not known until the last minute. If something like a sports match or an election is a cliffhanger, then the result is so close and suspenseful that it cannot be predicted and will only be known at the very end. ETYMOLOGY: From cliff +? hanger, evoking the image of someone left hanging from a cliff, thereby having an uncertain fate. HEAD FOR THE HILLS David owes a lot of money to a lot of people. I suggested he head for the hills. The fast-paced city life was taking a toll on Thomas so he decided to head for the hills. Quick! They're coming! Head for the hills! MEANING: ? [LITERAL] To travel to a higher elevation, especially to a rural region on vacation. ? (idiomatic) To go to a safe place; to seek refuge; to flee. ETYMOLOGY: It comes from the idea of the hills being far away, and rural. Not only are they far away, they are also safer because they are at a higher elevation. So you are in a safer spot in case there's a flood or if you're being attacked or something like that.