The meetings will be held on an ad hoc basis.

会议将根据需要随时举行。

It is now on Tuesdays and Thursdays from 2 to 4 pm, instead of being held on Monday and Friday from 2 to 3 pm.

现在是在星期二和星期四下午2点到4点，而不是在星期一和星期五下午2点到3点举行。

He held on tightly to her arm.

他紧紧抓住她的手臂。

She held on to his arm for support.

她抓着他的胳膊，好站稳。

He is currently being held on remand.

他正被还押候审。

The knob is only held on by sticky tape.

这个旋钮只是用胶带粘住的。

The club's annual dinner will be held on 3 June.

俱乐部一年一度的宴会将于6月3日举行。

An inquest was held on the team's poor performance.

对该队在比赛中的差劲表现进行了检讨。

Michael held on to her arm, losing himself in the music.

迈克尔挽着她的胳膊，陶醉于音乐之中。

The Rams held on to defeat the Nevada Wolf Pack in Reno, 32-28.

公羊队坚忍不拔，在雷诺市以32比28的比分击败了内华达狼群队。

Discussions are held on an informal basis within the department.

讨论限于在本部门内非正式地进行。

Seventeen prisoners held on death row are to be executed after their pleas for clemency were turned down.

十七名死刑犯在申请宽赦被拒后将被处决。

A parade was held on New Year's Day.

元旦那天举行了一场游行。

He held on to the rope and swung across.

他抓住绳子悠了过去。

The sports meet is to be held on April 10.

运动会将于四月十日举行。

The course is held on Tuesdays between 12:30 and 1:30.

课程于星期二12：30至1：30举行。

Deta held on to Heidi's hand and stayed near the door.

迪蒂站在门口，抓住海蒂的手。

Clara held on tight to the children, but with every new step she became more firm.

克拉拉紧紧拉着孩子们，但迈出的每一步都比前一步稳。

We've held on to this workday structure—but thanks to our digital devices, many employees never really clock out.

我们一直坚持这种工作日结构——但由于我们的数字设备，许多员工从未真正打过卡。

Further research should be held on accuracy accouplement.

应从精确匹配上进一步研究的结论。