From the age of 15-21 he took on many different identities and pulled them off with aplomb.

从 15 岁到 21 岁， 他拥有许多不同的身份， 并沉着应对。

Working these examples into an optional essay or the interview is perfectly acceptable if done with aplomb.

果泰然自若，将这些例子写成一篇可的论文或面试是完全可以接受的。

Here, you try but fail to resist the urge to mention that Frida herself didn't really have the structural integrity to make the trip of life, but she did so anyway, and with aplomb.

在这里， 你试图但无法抗拒提及弗里达本人并不真正具备完成人生旅的结构完整性，但她无论何还是泰然自若地这样做了。