indulge in pleasure and forget home and duty;so happy as to forget one’s home country
❍ 宰相告诫即将出国的官员切勿～。The prime minister urged the officials who were going abroad not to indulge in pleasure and forget home and duty.
乐不思蜀
indulge in pleasure and forget home and duty; abandon oneself to pleasures
乐不思蜀lè bù sī shǔ
蜀：指三国时的蜀国。快乐得不再思念故国。比喻乐而忘本。indulge in pleasure and forget home and duty, so happy as to forget home and duty