Lesson 074 CAN-DO Go down the other side of the slope and come back here once again. We'll do this three times. Words & Phrases endurance (n) = 耐久性、耐久力、持久力、忍耐（力）、我慢（強さ） tiring (a) = 疲れる、骨の折れる、疲れさせる、…