切勿 be sure not to 切勿倒置 do not turn over; keep upright; 切勿干燥 keep wet; 切勿受潮 keep dry; 切勿投擲 no dumping; no shooting; 切勿壓擠 do not crush; 切勿墜落 do not drop; no dropping; 切勿聽信謠言。 don't believe rumours
墜落 fall; drop 飛機(jī)向地面墜落。 the airplane fell towards the earth.; 墜落高度 height of fall; 墜落試驗(yàn) drop shutter test
切勿用“ it’s my secret don’t ask such a personal question