noun, noun which may take the genitive case particle 'no'
hastily prepared; crammed; makeshift; half-baked
Describes knowledge, skills, or preparations acquired hastily, often with a negative connotation of being superficial or unreliable. Can be used as a noun or adjectivally with の.
彼の知識はにわか仕込みだから、深く聞かれるとすぐにボロが出る。
His knowledge is hastily crammed, so when questioned deeply, flaws quickly appear.
にわか仕込みの英語でプレゼンをするのは不安だ。
I'm uneasy about giving a presentation in my makeshift English.
noun
goods prepared in a hurry
Refers to items or products that were prepared hastily, often after they were already needed. Less common than the abstract sense.
注文が殺到して、にわか仕込みの商品を出荷せざるを得なかった。
Orders flooded in, and we had no choice but to ship goods prepared in a hurry.