Monica Seles had more mental strength than anybody I played.

莫妮卡·塞莱斯比我扮演的任何人都更有精神力量。

Physical or mental strength, energy, or force.

体力，精力，活力：身体或精神上的力量或能量。

Their mental strength was tested more than ever.

他们的心理承受力比以往受到了更大的考验。

You've likely achieved a high measure of mental strength.

你已经达到了很高程度的内心强大了。

You ve likely achieved a high measure of mental strength.

你已经达到了很高程度的内心强大了。