背伸(せの)びstanding on tiptoe and stretching one's back to make oneself taller, stretching oneself, overreaching oneself, overstretching oneself, trying to do something beyond one's ability, pushing to the limit

Definisi Kamus

Kata Benda, Kata kerja-する, Kata kerja intransitif
1. 1.
  EN standing on tiptoe and stretching one's back to make oneself taller, stretching oneself
2. 2.
  EN overreaching oneself, overstretching oneself, trying to do something beyond one's ability, pushing to the limit