拿起棍子。
pick up：英 [pik ʌp] 美 [pɪk ʌp] v.捡起；接载;学会；逮捕
举例：
Where did you pick up your English?
你在哪儿学的英语？
stick：英 [stɪk] 美 [stɪk] vt.& vi.粘贴；张贴；插入；刺入 vt.容忍;产生作用；（尤指迅速或随手）放置；阻延或推迟 n.棍棒，棍枝；枝条；操纵杆；球棍
举例：
He looks old and walks with a stick.
他看起来很老，走路时拄着一根拐棍。
He folded the papers and stuck them in his desk drawer .
他将文件叠起来，塞进自己的书桌抽屉里。
pick up stick造句：
For years, scientists believed them incapable of using tools. At most, anelephant might pick up a stick to scratch its itchy behind.
多年来，科学家们认为大象不能使用工具，它可能最多只会捡起根棍子挠挠发痒的后背。
Almost every morning Bartimaeus would probably pick up his walking stick tohelp him find his way to the Jericho city gate.
几乎每天早上，巴底买可能都拄著探路的拐杖，摸索来到耶利哥城门口。