imponderable

n (usu pl 通常作复数) thing, eg a quality or an emotion, that is imponderable 无法估量的事物（如性质或感情）: the great imponderables of love and power 爱情与权力, 极难衡量的事物.

implantation, implausibility, implausible, implement, implementation, implicate, implication, implicit, implicitly, implied, implode, implore, imploring, imploringly, implosion, imply, impolite, impolitely, impoliteness, impolitic, import, import duty, importance, important, important-looking, importantly, importation, importer, importunate, importunately, importune, importunity, impose, impose...on, imposing, imposingly, imposition, impossibility, impossible, impossibly,