Morning, light rain is still painstaking work of his sister.

　　今早，小雨妹妹還在不辭辛苦的工作。

　　The transition from planned economy to share system is certainly a painstaking course.

　　從計劃經濟到股份制的過渡自然是個艱難的過程。

　　She is making painstaking efforts to learn Chinese.

　　她在刻苦學習中文。

　　Full marks are hard to come by; you must make painstaking efforts.

　　得到滿分是十分困難的，你必須盡最大努力。