to nest; to build a nest

Tsukuba (city in Japan)

fortification

to fortify; to strengthen; to firmly establish (safeguards, foundations or other abstract things)

lit. ask passers-by how to build one's house (idiom); fig. to have no idea what to do; without a clue

to construct; building; CL:個|个[ge4]

to build

variant of 版築|版筑[ban3 zhu4]

to build; to construct

to pour (concrete etc)