Explanation: (1) [Climb]: Grab or hold something to climb up, climb a cliff.

(2) [not afraid of internal toughness, not afraid of difficulties and dangers, go forward bravely]: metaphor is not afraid of difficulties and obstacles, dare to do things.

Explain in detail: climb up. ?

Three Kingdoms Cao Weizhi's "Nine Sorrow Fu": "There are too many cirrus clouds, and there is no order." Tang Yuanzhen's No.3: "The worm dies in a cloud, Louis Deng." Zhang Juzheng's "Travel to Heng Yue" in the Ming Dynasty: "Going back and forth to Shan Ye is poor, and God stops at answering." Van Gogh's poem "We will start from here": "To climb the peak of science and technology, we will start from here."