snicker

n suppressed, esp unpleasant, laugh; snigger 暗笑; 窃笑.

snapshot, snare, snarl, snatch, snatch at sth, snatcher, snazzily, snazziness, snazzy, sneak, sneak-thief, sneakers, sneakily, sneakiness, sneaking, sneaky, sneer, sneeringly, sneeze, snick, snide, snidely, snideness, sniff, sniffle, snifter, snigger, snip, snipe, sniper, snippet, snipping, snitch, snivel, sniveller (US sniveler), snivelling (US also sniveling), snob, snob appeal (also `snob value), snobbery, snobbish,