“含蓄的”用英语怎么说？

他送的礼物,人家以含蓄的感谢收下了.His presents were received with reserved thanks.此时此际的这一对比是生动而含蓄的.The contrast at this instant is vivid and pregnant.他平时黯淡,含蓄的双眸, 这时放射出了光茫.His eyes, normally pale and reserved, snapped and glittered....