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公共场合： the music is beautiful; Id like to dance; I dont know the steps; give performance; listen to the music; dance to music; Tom looks awfully nervous; be not used to making speeches; an awful/inexperienced speaker; be terribly embarrassed; the audience get up and leave in the middle of the performance; appreciate the real life drama; the title of the oil painting; an early 18-century work; look it up in the catalog; at an art gallery | 
