自若的

There was a tranquil expression on his face.

脸上有一种安祥自若表情。

With his wonted, collected and stately mien , he crossed the unhallowed threshold.

摆出平时那种泰然自若庄严态度，跨过那个污浊门槛。

She performs the duties of a princess with great aplomb.

她泰然自若地履行王妃职责。

It was Brently Mallard who entered, a little travel-stained, composedly carrying his gripsack and umbrella.

进来是布兰特雷•马兰德，虽略显旅途劳顿，但泰然自若地提着大旅行包和伞。