private joke意思是：私人笑話(只有特定群體才能理解的笑話)例句John and I always have a good laugh about our private joke abou...

you have no idea意思是：你無法想像；你無法理解；你完全不知道例句You have no idea how hard it was to get this project done on...

act on意思是：對…起作用；（立即）行動；按照…而行動例句The government promised to act on the recommendations of the committe...

natural gift意思是：天賦例句She has a natural gift for music and has been playing the piano beautifully sinc...

tamp down意思是：降低；抑制；壓制；打擊；限制例句The workers had to tamp down the soil before laying the foundation for ...