To live or do something with very little money.
用很少的钱做事或生活。 (Yòng hěn shǎo de qián zuò shì huò shēnghuó.)
"They traveled across Asia on a shoestring budget."
"他们以紧张的预算穿越了亚洲。" (Tāmen yǐ **jǐnzhāng de yùsuàn** chuānyuèle yàzhōu.)
an alternative plan if the first one fails
a flight that leaves late at night and arrives early in the...
to explain something in simple language
to improve one’s skill or knowledge
to have a burst of energy after feeling tired
to test the limits or performance of an AI system