琴: zither; a general name for certain musical instruments...
决议: a resolution, to pass a resolution...
层面: aspect, facet, level (political, psychological, spiritual etc), (geology) bedding plane...
验证: to inspect and verify, experimental verification, to validate (a theory), to authenticate...
喜剧: comedy...
有限: limited, finite...
较劲: to match one's strength with, to compete, more competitive, to set oneself against sb, disobliging, to make a special effort...
熄火: (of fire, lamp etc) to go out, to put out (fire), to die down, (of a vehicle) to stall...