mở chốt lựu đạn 
to pull the pin on a grenade [ mở ] : to open, start, begin, turn on, set up
[ chốt ] : axle, bolt, pin, key, latch, wedge, dowel
[ lựu ] : pomegranate
[ đạn ] : ball, cartridge, bullet, marble
Most Common Compounds Set 1:
Most Common Compounds Set 2 :