心配をよそにって英語でなんて言うの？

「母の心配をよそに、子供たちは公園で遊び続けた」＝　Without thinking about how much their mother(s) was worrying, the children continued to play at the park. / The children continued playing at the park without consideration for their mother's worries. / In spite of their mother's worries, the children continued to play at the park.

ボキャブラリー
～をよそに ＝ without thinking about ～, without consideration for ～, in spite of ～
mother ＝　母
worry ＝　心配する、心配
children ＝　子供たち
continued to ～ ＝　し続けた
play ＝　遊ぶ
park ＝　公園