The ending of this movie was full of cheesiness, with its forced happy moments feeling completely fake.

cheesiness 是名词，由形容词 cheesy 加后缀 -ness 构成。cheesy 本意是"奶酪的"，引申为"俗气的、做作的"，常用来形容过度煽情或刻意营造的情感。cheesiness 指"俗套煽情的特质"，形容那些刻意制造却显得虚假的情感表达。