Invaders such as purple-flowered Asian melastome and strawberry guava threaten to overrun delicate Hawaiian natives such as thornless roses and delicate tree ferns.

包括亚洲紫色野牡丹和草莓番石榴在内的外来物种肆意繁殖，威胁了脆弱的本地物种，如无刺玫瑰和树厥的生长。

The attachment to Quincy was not altogether sentimental or wholly sympathetic. Quincy was not a bed of thornless roses. Even there the curse of Cain set its mark. There as elsewhere a cruel universe combined to crush a child.

对昆西的依恋既不完全是感性的，也不完全是同情的。昆西不是无刺玫瑰花床。甚至在那里，该隐的诅咒也留下了印记。那里和其他地方一样，是一个残酷的宇宙结合在一起压垮了一个孩子。