mindmap
root((随便))
random
stresses chance and lack of definite aim, fixed goal, or regular procedure: a ~ sampling of public opinion.
haphazard
applies to what is done without regard for regularity or fitness or ultimate consequence: his selection of college courses was entirely ~.
chance
applies to what comes or happens to one or is done or made without prearrangement, foreknowledge, or preparation: a ~ encounter; a ~ acquaintance.
casual
suggests a leaving things to chance and a working or acting without deliberation, intention, or purpose: a ~ tour of the sights.
desultory
implies a jumping or skipping from one thing to another without method or system and a consequently inconsistent performance and lack of continuity: a ~ discussion of current events.
hit-or-miss
applies to what is so haphazard as to lack all apparent plan, aim, system, care: a real ~ operation.