build * around
圍繞；以 ... 為中心
His whole campaign was built around fighting injustice. (他的整個競選活動以打擊不公不義為主軸)
build * in
(通常用被動態) 使成為組成部分
The difficulties seem to be built in. (困難似乎無法避免)
build into +
(通常用被動態) 使成為組成部分；使成為不可分割的一部份
The difficulties are built into the work. (做這項工作必然會碰到困難)
Security has been built into the project. (這項計畫勢必會有安全上的問題)
The rate of pay was built into his contract. (工資率已訂入他的合約)
build * on
(建築物的) 加蓋，增建
We've had a sheet metal house built on the side of the building. (我們在這棟建築物的側面加蓋了鐵皮屋)
This part of the library was built on later. (圖書館的這一部份是後來增建的)
build on +
以 ... 為基礎
We need to build on the feedback from customers we have had so far. (我們必須以迄今為止收到的顧客回饋意見為基礎)
bulk up
變重；變大
Jack's bulked up a lot since he got those steroids. (傑克自從服用那些類固醇之後，他的體重增加了許多)
本文亦刊載在下列網址：
http://htmfiles.englishhome.org/phrasalverbs/phrasalverbs-b.htm