The thin, extremely sharp needles didn't hurt at all going in.

细细的尖针扎进去一点也不疼。

It pointed the sharp needle of its tail straight at Hiccup's heart.

它把尾巴上锋利的针直指着卡嗝的心脏。

Many Somalians do not want to give blood because they are afraid of sharp needles or concerned they might catch a disease.

很多索马里人不愿献血，他们害怕尖锐的针头或担心因此感染某种疾病。

Then came World War One. It was like a sharp needle that bursts a balloon. The United States and the Allies won the war against Germany and the Central Powers.

随后爆发了第一次世界大战，它就像一根锋利的针扎破气球一样。美国和盟国赢得了对抗德国和中央大国的战争。