大祸临头: be faced with imminent disaster; a great calamity is impending over sb.; a great misfortune has come.; disaster is hanging over one.; disaster is imminent
细小: very small; tiny; trivial; micr-; micro-; -ling 短语和例子细小的雨点 small [tiny] raindrops; 细小的声音 a still small voice; 细小的事情 small [trivial; unimportant] matters; 细小的零件 small parts (of a machine);