up to their necks

up to their necks の類語

neck-deep, up to your neck, up to my neck, up to his neck, up to her neck, up to our necks, involved

up to their necks の反意語

uninvolved

up to their necks の言い換えを探すには

up to their necks（）の類語・言い換え（パラフレーズ）を、日本語訳つきで関連度順に並べています。英作文の語彙を増やしたいとき、長文読解で本文と選択肢の言い換えを見抜きたいときに使えます。