带子扣得很紧的，不苟言笑的；
1. 带子扣紧：tight 紧的 | tight-laced 带子扣紧 | tight-lipped 紧闭嘴巴
adj
1. exaggeratedly proper
e.g. my straitlaced Aunt Anna doesn't approve of my miniskirts
Synonym: priggishprimprissyprudishpuritanicalsquare-toedstraitlacedstrait-lacedstraightlacedstraight-lacedvictorian