She is licensed to fly solo.

她已获准单飞。

《牛津词典》

Charles Lindbergh became the very first person to fly solo across the Atlantic.

查尔斯•林白成为第一个单独飞越大西洋的人。

《柯林斯英汉双解大词典》

She wanted to fly solo across the Atlantic.

她想独自一人驾机飞越大西洋。

《牛津词典》

And by the time we reached Parrot Cay resort, I was regretting my decision to fly solo.

WSJ: Ali Wentworth on a Solo Vacation to Turks and Caicos | Traveler's Tale

Earhart was the first woman to fly solo across the Atlantic, helped found an influential organization for female pilots and wrote three best-selling books about her flying experiences.

WSJ: Sonar Image Renews Hope of Locating Earhart Plane

Some fly solo, others in a group.

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