with obj.
1
- help or encourage (something) to increase or improve推动, 推进：
a range of measures to boost tourism.
推动旅游业发展的一系列举措。
1.1
- amplify (an electrical signal)放大（电信号）。
2
- N. Amer. informal steal (something)〈北美, 非正式〉偷窃：
he'd had his wallet boosted in a bar.
他的钱包在酒吧里被偷了。
1
- a source of help or encouragement leading to increase or improvement推动, 促进：
the cut in interest rates will give a further boost to the economy.
降低利率将进一步推动经济的发展。
1.1
- an increase or improvement增长, 提高：
a boost in exports.
出口增长。
2
- N. Amer. a push from below〈北美〉（来自下方的）推力。
词源
early 19th cent. （originally US, in the sense 'push from below'）： of unknown origin.