亚洲对西方统治地位的挑战。

An Asian challenge to occidental dominance.

没人敢挑战她的绝对权威。

No one dare challenge her absolute authority.

这一挑战是要避免制度僵化。

The challenge was to avoid institutional sclerosis.

无人挑战的至高无上地位。

A position of unchallenged supremacy.

对身体和智力的全面挑战。

A whole range of physical and mental challenges.