気(き)にかけるto weigh on one's mind, to trouble one's heart, to be concerned about, to worry about

入院(にゅういん)している母(はは)のことを気(き)にかける。

I am concerned about my mother who is in the hospital. {to weigh on one's mind, to trouble one's heart, to be concerned about, to worry about}

生徒(せいと)：「私(わたし)のことを気(き)にかけてくださり有難(ありがと)う御座(ござ)います。」

Student: "Thank you for being concerned about me." {to weigh on one's mind, to trouble one's heart, to be concerned about, to worry about}

親(おや)というのはいつも我(わ)が子(こ)のことを気(き)にかけているものである。

Parents are always concerned about their children. {to weigh on one's mind, to trouble one's heart, to be concerned about, to worry about}

いつも僕(ぼく)を気(き)にかけてくれている父(ちち)に感謝(かんしゃ)の気持(きも)ちを伝(つた)えずにはおかない。

I can't help but express my gratitude to my father who is always concerned about me. {to weigh on one's mind, to trouble one's heart, to be concerned about, to worry about}

些細(ささい)なことを気(き)にかけてしまう性格(せいかく)の私(わたし)は集団(しゅうだん)行動(こうどう)に向(む)いていないと思(おも)います。

I believe I'm not suited for group activities as I'm the type of person who tends to worry about trivial things. {to weigh on one's mind, to trouble one's heart, to be concerned about, to worry about}