Honest-but-Curious (HBC)
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The honest-but-curious (HBC) adversary is a legitimate participant in a communication protocol who will not deviate from the defined protocol but will attempt to learn all possible information from legitimately received messages.
Semi-Honest
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Loosely speaking, a semi-honest party is one who follows the protocol properly with the exception that
it keeps a record of all its intermediate computations
\color{red}\text{it keeps a record of all its intermediate computations}
it keeps a record of all its intermediate computations.
Malicious
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There is no way to force parties to participate in the protocol. This is, a possible malicious behavior may consist of not starting the execution at all , or more generally, suspending (or aborting) the execution at any desired point in time. A part can abort at the first moment when it obtains the desired result of the computed functionality.
[1] 2014 Modelling and Automatically Analysing Privacy Properties for Honest-but-Curious Adversaries (Technical Report)
[2] Foundations of Cryptography Volume 2: Basic Applications (7.2.2 和 7.2.3)