orth

1.he's never been a ha'p'orth of bother.

他从来没让人伤过一点脑筋。

2.Don't spoil a sheep for a ha'p'orth of tar.

不要失大。（不要见了芝麻，丢了西瓜。）

3.It is useless spoiling the ship for a ha'p'orth of tar.

【谚】吝惜半便士柏油而毁坏一只(失大)。

4.The relapse of orthodontically rotated teeth can be a serious problem in occlusal stability after orth-odontic treatment.

扭转牙的复发正畸临床治疗后牙的难题之一。

5.Objective To describe the distributional characteristics and development of dentists doing orth-odontic work in Liaoning.

目的描述辽宁省11个城市口腔正畸人才的发展状况和分布特点。