to move up and down / to undulate / ups and downs

surname Fu

to lean over / to fall (go down) / to hide (in ambush) / to conceal oneself / to lie low / hottest days of summer / to submit / to concede defeat / to overcome / to subdue / volt

to ambush / to lie in wait for / to lie low / ambush

to hide / to cover up / to conceal

the three annual periods of hot weather, namely 初伏, 中伏 and 末伏, which run consecutively over a period from mid-July to late August

up here, down there (idiom); to rise and fall in succession / no sooner one subsides, the next arises / repeating continuously / occurring again and again (of applause, fires, waves, protests, conflicts, uprisings etc)

hibernation / living in seclusion

danger lurks on every side (idiom)

(of cereal crops) to collapse and lie flat

one climax follows another (of thrilling story)

kilovolt

to crouch / to lie prone

the first of the three annual periods of hot weather (三伏), which typically begins in mid-July and lasts 10 days

to crouch low and bend forward (esp. in hiding or in wait)

Ambush from Ten Sides (pipa solo piece) / House of Flying Daggers (2004 movie by Zhang Yimou 張藝謀｜张艺谋)

to overpower / to overwhelm / to subdue / to check / to control

the second of the three annual periods of hot weather (三伏), which begins in late July and lasts either 10 or 20 days, depending on the Chinese calendar in that year

to be ambushed

to prepare an ambush / to waylay

to lie prostrate

see 初伏

mega electron volt (MeV) (unit of energy equal to 1.6 x 10⁻¹³ joules)

to hide / to lie low

to subdue / to vanquish / to tame

electron volt (unit of energy used in particle physics, approximately 10⁻¹⁹ joules)

to pacify / to calm / calm / quiet / to lie on one's belly

to mark the start of the hottest period of the year, known as 三伏天

thoughts surging in one's mind (idiom) / different thoughts coming to mind

to curl up / to lie with knees drawn up / to huddle up

the third of the three annual periods of hot weather (三伏), which typically runs over the middle ten days of August

to come to the end of the hottest period of the year (known as 三伏)

variant of 壓服｜压服

to crouch (of animal)

to lie in wait / to ambush / to conceal sth

tribe of the Xianbei 鮮卑｜鲜卑 nomadic people

中伏

photovoltaic (e.g. cell)

to crouch / to crawl / to creep

giga electron volt GeV (unit of energy equal to 1.6 x 10⁻¹⁰ joules)

to travel at night and lie low by day (idiom)

variant of 收服

to obey / faithfully following instructions / to admit guilt