工程师: engineer...
杀毒: to disinfect, (computing) to destroy a computer virus...
多心: oversensitive, suspicious...
歌咏: singing...
大棚: greenhouse, polytunnel...
录音机: (tape) recording machine, tape recorder...
数: frequently, repeatedly...
起: batch, group...
憋: to choke, to stifle, to restrain, to hold back, to hold in (urine), to hold (one's breath)...
混乱: confusion, chaos, disorder...