hard tick

1. It's hard to make a love connection when people can't figure out what makes you tick.
   当别人不知道你需要什么时，很难与你交朋友。
2. He's very understanding: if I'm hard up by the middle of the week he'll always let me have a few groceries on tick till Friday.
   他很会体谅人：要是我们到星期二左右手头紧了起来，他就赊给我一些食品杂货，直到星期五再付款。
3. Hard tick is a class of ectoparasites that can parasitize in a variety of warm-blooded animals ( including humans).
   硬蜱是一类可寄生于多种温血动物（包括人）的体外寄生虫。

noun

1. ticks having a hard shield on the back and mouth parts that project from the head

   Synonym:    ixodid